Endoscopic device
US5667475A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1995 |
| Grant date | Sep 16, 1997 |
| Priority date | — |
| Expiry date | Jul 27, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/313
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An instrument for endoscopic subfascial discission of perforans veins (ESDP) consists of a surgical endoscope (1) and a tube (9). The surgical endoscope (1) contains an optical image recording and transmission system, a fiber-optic lighting system and a working channel (4). A lateral handle (14) forms in an obtuse angle with the surgical endoscope and has at least one reproduction and lighting system (8, 6) guided to coupling spots (5, 7) provided at the proximal end of tube instrument. The distal end of the tube (9) extends beyond the distal end of be surgical endoscope (1) and is designed as a thicker, atraumatic lip (10) that contains a suction channel (12) diametrically arranged to a front lens system (16) and connected through a space (11) between the shaft (2) and the tube (9) to a connection fitting (13) for a suction hose (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.